290 Transactions. — Zoology. 



from pale to dark brown, with the segments sometimes miiform, sometimes 

 darker in front. Legs yellowish. Length, 1"3 inch. 



Hab. Wellington, Dunedin, Clyde, Preservation Inlet. 



A very common sx^ecies. When put into alcohol it stains it a dark 

 purple. 



lulus (Spirostreptus) striatus, sp. nov. 



Head smooth, emarginate anteriorly. ' Antennae tomentose, 7-jointed, 

 the 2nd the longest, the 3rd to the 6th sub-equal. Segments 47, the 

 posterior half of each with fine distant longitudinal striae on the dorsal 

 and lateral surfaces ; anterior portion smooth. Lateral margin of first 

 segment rounded. Pra-anal segment terminating in a slightly obtuse 

 rounded point, not passing the anal valves. Upper surface brown, paler 

 below. Length, -4 inch. 



Hab. Dunedin. 



lulus berardi, Walck. (Gervais, Apteres, IV., p, 333), is a very different 

 species, which I have never seen. 



Polydesmus (Oxyurus) serratus, sp. nov. 



Antennae tomentose, 7-jointed; the 2nd and 3rd equal, and longer than 

 the 4th and 5th, the 7th very small. Top of the head pentagonal ; face 

 with a few scattered hairs, smooth. Segments smooth, the sides of each 

 produced into a strong keel, which extends backward on each side in an 

 acute curved angle. Prte-anal segment terminating in a blunt point, with 

 scattered white hairs ; the inferior semicircular slightly toothed. Dirty 

 white, with a more or less distinct brown dorsal stripe ; under surface 

 white. Length, '4 inch. 



Hah. Dunedin. 



Polydesmus (Oxyurus) xvortJiingtoni, sp. nov. 



Antennae tomentose, 7-jointed ; the 2nd much longer than the 3rd or 

 4th, which are subequal. Segments 18 or 19, the same as in the last, but 

 the angles on each side spring more suddenly from the posterior margm. 

 Prae-anal plates as in the last. Dark reddish-brown. Length, "65 inch. . 



Hab. Queenstown. 



Named after Mr. J. S. Worthington, of Queenstown. 



Polydesmus (Strongylosoma) gervaisii, Lucas, Hist. Anim. Artie, Apt., 

 p. 525; Gervais, Apteres, IV., p. 118. Fig. 4. 



Hab. Dunedin, Preservation Inlet. 



New Zealand specimens agree so well with the description of this Aus- 

 tralian and Tasmanian species, that I have no hesitation in considering 

 it as the same. P. novara, Humbert and Sauttare (Verhandl. Zool, Bot. 

 Gesellsch. in Wien, 1869, p. 689), is very closely allied, if not identical with 



